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Demographics Table

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Demographic Data Report for California by County
Population: Age under 18
All Races (includes Hispanic), Both Sexes
2017-2021 American Community Survey 5-Year Data
Sorted by Name
County
 sort alphabetically by name descending
Value (Percent)
 sort by value ascending
People (Age Under 18)
 sort by sample size ascending
Rank within US
(of 3143 counties)
 sort by rank ascending
California 22.8 8,992,432 20 of 52
United States 22.5 74,234,075 N/A
Alameda County 20.6 344,088 2,230
Alpine County 21.5 289 1,914
Amador County 15.2 6,114 3,067
Butte County 20.3 44,310 2,303
Calaveras County 17.0 7,722 2,944
Colusa County 27.3 5,936 209
Contra Costa County 22.7 263,508 1,397
Del Norte County 21.7 5,990 1,841
El Dorado County 20.0 38,068 2,420
Fresno County 28.5 286,311 137
Glenn County 27.1 7,769 221
Humboldt County 19.2 26,244 2,624
Imperial County 28.8 51,865 125
Inyo County 21.3 3,996 2,005
Kern County 29.0 262,988 120
Kings County 27.2 41,348 211
Lake County 21.4 14,489 1,953
Lassen County 16.4 5,416 2,998
Los Angeles County 21.6 2,169,083 1,852
Madera County 27.6 43,188 179
Marin County 20.0 52,454 2,412
Mariposa County 16.8 2,896 2,969
Mendocino County 21.4 19,587 1,951
Merced County 29.6 82,578 103
Modoc County 19.6 1,709 2,510
Mono County 19.9 2,647 2,439
Monterey County 26.3 115,434 297
Napa County 20.5 28,404 2,263
Nevada County 17.2 17,577 2,923
Orange County 22.0 699,691 1,691
Placer County 22.3 89,446 1,530
Plumas County 17.4 3,421 2,899
Riverside County 25.2 606,535 490
Sacramento County 23.7 372,547 953
San Benito County 26.0 16,452 339
San Bernardino County 26.4 573,984 277
San Diego County 21.7 713,838 1,844
San Francisco County 13.6 118,194 3,110
San Joaquin County 27.2 209,515 215
San Luis Obispo County 17.8 50,215 2,861
San Mateo County 20.4 155,785 2,273
Santa Barbara County 22.5 100,508 1,477
Santa Clara County 21.8 422,063 1,753
Santa Cruz County 19.1 51,985 2,639
Shasta County 21.8 39,623 1,788
Sierra County 15.4 475 3,061
Siskiyou County 20.3 8,981 2,302
Solano County 22.3 100,496 1,566
Sonoma County 19.7 96,796 2,494
Stanislaus County 27.3 150,291 208
Sutter County 26.0 25,779 335
Tehama County 24.1 15,739 785
Trinity County 16.3 2,573 3,010
Tulare County 30.8 145,107 71
Tuolumne County 17.0 9,388 2,948
Ventura County 22.9 193,250 1,314
Yolo County 21.0 45,449 2,092
Yuba County 27.7 22,298 173
Notes:
Created by statecancerprofiles.cancer.gov on 02/29/2024 9:32 am.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age under 18, see the dictionary.
Data for United States does not include Puerto Rico.

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